FAQ

Power Station

  • A. Electricity generation abnormality
    • Check if the transformer and related equipment are working properly
    • Check if the inverter is working properly
  • B. PR value is below average
    • Check if the solar panels are dirty or shaded
    • Check if the inverter is working properly
    • Check if the solar panels are cracked or disconnected
  • C. Sunlight irradiance sensor and AC meter have communication errors
    • Check if the Internet is normal
    • Check if the gateway is working properly
    • Check if the connection line is damaged or missing
  • D. Abnormal values of AC Meter
    • Check if the transformer and related equipment are normal
    • Check if the AC Meter voltage wiring and current wiring are loose
  • E. Abnormal values of sunlight irradiance sensor
    • Check if the sunlight irradiance sensor is dirty
    • Check if sunlight irradiance sensor calibration settings are correct

Inverter

  • A. Abnormal value code of inverter
    • Identify the problem based on the description of each exception codes
  • B. The inverter temperature is above average or overheated
    • Check if the cooling fan is activated
    • Check if the air vents are blocked
    • Check if inverter's power generation value reaches maximum capacity
  • C. Power generation efficiency is unusual
    • Check if the inverter is working properly
    • Check if all AC equipment are working properly
  • D. Inverter communication errors
    • Check if the communication joint is burned
    • Check if the wire is loose
    • Check if the inverter is working properly

Combiner Box

  • A. One of the strings mistakenly shows the power generation data as 0
    • Check if the fuse is burned
    • Check if the solar cell wire is normal
  • B. SPD abnormality
    • Check if the SPD is activated
    • Check if the connection line of SPD is disconnected
  • C. Combiner box is overheated
    • Utilize a thermal imager to identify the overheated area inside the combiner box and proceed to fix the problem
    • Check all the power connection joints to see if the screws are loose.
  • D. Combiner box shows communication errors
    • Check if the Internet is normal
    • Check if the gateway is working properly
    • Check if the connection line is damaged or lost
  • F. When does O&M team need to clean the panels
    • When strings' power generation data are low or abnormal

Monitoring System

  • A. Data disconnection
    • Check if the network equipment features power response
    • Check if the communication line is damaged or loose
    • Reset the network device power supply
  • B. Incomprehensive information collection (gap and missing data)
    • Check if the input voltage is normal
    • Check if the network is regular
    • Check if the communication line is damaged or loose
    • Check the data collector settings are correct
  • C. Monitoring equipment cannot display power generation
    • Check if the input voltage is normal
    • Check if the communication line is damaged or loose
  • D. Control software system cannot access or read equipment data
    • Check if the input voltage is normal
    • Check if the communication line is damaged or loose
    • Check the data collector settings are correct
    • Check if the device is running